142004484 has 144 divisors (see below), whose sum is σ = 396264960. Its totient is φ = 42746880.

The previous prime is 142004453. The next prime is 142004497. The reversal of 142004484 is 484400241.

It is a happy number.

142004484 is a `hidden beast` number, since 14 + 200 + 448 + 4 = 666.

It is a super-2 number, since 2×142004484² = 40330546952212512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1595512 + ... + 1595600.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^142004484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142004484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198132480).

142004484 is an abundant number, since it is smaller than the sum of its proper divisors (254260476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142004484 is a wasteful number, since it uses less digits than its factorization.

142004484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 142004484 is about 11916.5634307883. The cubic root of 142004484 is about 521.7158359998.

The spelling of 142004484 in words is "one hundred forty-two million, four thousand, four hundred eighty-four".